Using C=CC=O, CCCc1ccc(OCc2ccc(C=O)c(O)c2)c(OC)c1 to produce CCCc1ccc(OCc2ccc3c(c2)OCC(C=O)=C3)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.