Using NCc1cccnc1, Cc1nc(N2CCN(Cc3csc4ccc(Cl)cc34)C2=O)sc1C(=O)O to produce Cc1nc(N2CCN(Cc3csc4ccc(Cl)cc34)C2=O)sc1C(=O)NCc1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.