Using Nc1cccc(F)c1, COC(=O)c1c[nH]c2c1-c1ncccc1CNC2 to produce O=C(Nc1cccc(F)c1)c1c[nH]c2c1-c1ncccc1CNC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.