Using COC(=O)CCSCC(O)Cc1cccc(C2CCCC2)c1OCc1ccccc1 to produce O=C(O)CCSCC(O)Cc1cccc(C2CCCC2)c1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.