Using CCCc1ccc(Oc2ccc3c(c2)C=C(C(=O)OC)CCS3(=O)=O)cc1 to produce CCCc1ccc(Oc2ccc3c(c2)C=C(C(=O)O)CCS3(=O)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.