Using CSCCl, O=C1C(=O)N(Cc2ccc(Nc3ncccn3)cc2)CCN1Cc1ccccc1 to produce CSCN(c1ccc(CN2CCN(Cc3ccccc3)C(=O)C2=O)cc1)c1ncccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.