Using CCOC(=O)[C@H](CCCCCN1C(=O)c2ccccc2C1=O)N[C@H]1COc2ccccc2N(CC(=O)OC(C)(C)C)C1=O to produce CCOC(=O)[C@H](CCCCCN1C(=O)c2ccccc2C1=O)N[C@H]1COc2ccccc2N(CC(=O)O)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.