Using Cn1ncnc1CO, O=c1[nH]c2c(-c3ccccc3F)nnn2cc1C1CCC1 to produce Cn1ncnc1COc1nc2c(-c3ccccc3F)nnn2cc1C1CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.