Using Nc1ccc(Cl)cn1, COC(=O)c1sccc1NC(=O)[C@H]1CC[C@H](N2CCOCC2=O)CC1 to produce O=C(Nc1ccc(Cl)cn1)c1sccc1NC(=O)[C@H]1CC[C@H](N2CCOCC2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.