Using CCCc1c(O)ccc2c(CC)noc12, COC(=O)Cc1ccc(CCCCOS(C)(=O)=O)cc1 to produce CCCc1c(OC(C)CCc2ccc(CC(=O)OC)cc2)ccc2c(CC)noc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.