Using O=C(n1ccnc1)n1ccnc1, O=C(O)c1ccc2nc3c(c(=O)n2c1)SCC3 to produce NC(=O)c1ccc2nc3c(c(=O)n2c1)SCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.