Using CC1(C)CCSc2cc(C(=O)O)ccc21, CCOC(=O)c1ccc(O)cc1 to produce CCOC(=O)c1ccc(OC(=O)c2ccc3c(c2)SCCC3(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.