Using NC(N)=NC(=O)c1ccc2c3ccccc3n(C3CN(C(c4ccccc4)c4ccccc4)C3)c2c1 to produce NC(N)=NC(=O)c1ccc2c3ccccc3n(C3CNC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.