Using COc1ccc(-c2ccc(NC(=O)N3CCN(C(=O)OC(C)(C)C)CC3COc3cccnc3)cc2)cc1 to produce COc1ccc(-c2ccc(NC(=O)N3CCNCC3COc3cccnc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.