Using COC(=O)CCN(C(=O)OC(C)(C)C)[C@H](CO)CC(=O)N(Cc1cccc(Cl)c1Cl)C1CC1, COCCl to produce COCOC[C@H](CC(=O)N(Cc1cccc(Cl)c1Cl)C1CC1)N(CCC(=O)OC)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.