Using COC(=O)/C=C/c1ccc2nc(-c3ccc(OC)cc3)c(-c3ccc(OC)cc3)nc2c1 to produce COc1ccc(-c2nc3ccc(/C=C/C(=O)O)cc3nc2-c2ccc(OC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.