Using O=C(O)CN1C(=O)CSC1=S, CN1CCN(c2nc(C=O)cs2)CC1 to produce CN1CCN(c2nc(C=C3SC(=S)N(CC(=O)O)C3=O)cs2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.