Using CCCCC(=O)c1cc2oc(C(=O)O)cc2c(C)c1C, CNC to produce C=C(CCC)C(=O)c1cc2oc(C(=O)O)cc2c(C)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.