Using COC(=O)C(=Cc1ccc2c(cnn2C(=O)OC(C)(C)C)c1)NC(=O)OCc1ccccc1 to produce COC(=O)C(N)Cc1ccc2c(cnn2C(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.