Using C1CN(C2CNC2)CCS1, CN(C[C@@H](CC=O)c1ccc(Cl)c(Cl)c1)C(=O)OC(C)(C)C to produce CN(C[C@@H](CCN1CC(N2CCSCC2)C1)c1ccc(Cl)c(Cl)c1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.