Using Fc1cccnc1CCl, CCOC(=O)c1c(C)nc2c(O)cc(C)cn12 to produce CCOC(=O)c1c(C)nc2c(OCc3ncccc3F)cc(C)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.