Using CO[C@@H]1CNCC[C@@H]1NC(=O)OCc1ccccc1, S=C(n1ccnc1)n1ccnc1 to produce CO[C@@H]1CN(C(=S)n2ccnc2)CC[C@@H]1NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.