Using CCOC(=O)C=CC1(C)Cc2c(C)c(NC(C)=O)c(C)c(C)c2O1 to produce COC(=O)C=CC1(C)Cc2c(C)c(N)c(C)c(C)c2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.