Using COC(=O)CCC1=CCCN(Cc2ccc(OC)cc2OC)C1=O to produce COc1ccc(CN2CCC=C(CCC(=O)O)C2=O)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.