Using Nc1ccc2cc(NCc3cccnc3)ccc2n1, COc1ccc(F)cc1C=O to produce COc1ccc(F)cc1CNc1ccc2cc(NCc3cccnc3)ccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.