Using C=C(C(=O)OCC)c1ccc(OCc2ccc3ccccc3n2)cc1 to produce C=C(C(=O)O)c1ccc(OCc2ccc3ccccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.