Using COc1ccc(C=O)cc1, Cc1ccc2cc(C(=O)O)ccc2n1 to produce COc1ccc(/C=C/c2ccc3cc(C(=O)O)ccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.