Using CC(C)(C)OC(=O)N1CCC(OC(=O)c2ccc3c(c2)-c2cc(Cl)c4cccnc4c2NS3(=O)=O)CC1 to produce O=C(OC1CCNCC1)c1ccc2c(c1)-c1cc(Cl)c3cccnc3c1NS2(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.