Using CCCc1c(OCCCCl)ccc2c(=O)cc(CCC(=O)OC)oc12 to produce CCCc1c(OCCCCl)ccc2c1OC(CCC(=O)OC)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.