Using COc1ccc(-c2ccc(CC[C@H]3O[C@@H](O)[C@@H](O)[C@H]3CCn3nnc4ccccc4c3=O)cc2)cn1, C1CCOC1 to produce COc1ccc(-c2ccc(CC[C@@H](OC=O)[C@H](CCn3nnc4ccccc4c3=O)C(=O)O)cc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.