Using CSc1ccc2c(c1)C(c1ccccc1)=NCc1nnc(CON3C(=O)c4ccccc4C3=O)n1-2 to produce CSc1ccc2c(c1)C(c1ccccc1)=NCc1nnc(CON)n1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.