Using Cc1cnc2c(C(=O)O)cn(Cc3ncnc(N(C)C)c3C)c2c1, NCCF to produce Cc1cnc2c(C(=O)NCCF)cn(Cc3ncnc(N(C)C)c3C)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.