Using O=C1Nc2ccc([N+](=O)[O-])cc2SC1=Cc1c[nH]c2ccccc12 to produce Nc1ccc2c(c1)SC(=Cc1c[nH]c3ccccc13)C(=O)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.