Using COC1=C(OC)C(=O)C(Cc2ccc(CCC(=O)O)cc2)=C(C)C1=O, CNC to produce COC1=C(OC)C(=O)C(Cc2ccc(CCC(=O)N(C)C)cc2)=C(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.