Using COc1ccccc1COc1ccc(C(C)=O)cc1C, O=C(O)C(SCCc1ccccc1)C(=O)O to produce COc1ccccc1COc1ccc(-c2cc(O)c(SCCc3ccccc3)c(=O)o2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.