Using COC(=O)c1ccc(CCn2ccc(OCc3ccccc3)cc2=O)s1 to produce O=C(O)c1ccc(CCn2ccc(OCc3ccccc3)cc2=O)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.