Using C=O, Fc1ccccc1C1CNCc2cc(OCCCN3CCCCC3)ncc21 to produce CN1Cc2cc(OCCCN3CCCCC3)ncc2C(c2ccccc2F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.