Using CN1Cc2c(C(=O)n3ccnc3)ncn2-c2ccc(F)cc2C1=O to produce CN1Cc2c(C(N)=O)ncn2-c2ccc(F)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.