Using Nc1cncc(-c2nc(NCc3ccccn3)c3c(-c4ccccc4)ccn3n2)c1, O=C=NS(=O)(=O)Cl to produce NC(=O)Nc1cncc(-c2nc(NCc3ccccn3)c3c(-c4ccccc4)ccn3n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.