Using COC(OC)OC, NC(=O)Cc1cnc(Nc2ccccc2N)cc1NCc1cc(F)cc(F)c1 to produce NC(=O)Cc1cnc(-n2cnc3ccccc32)cc1NCc1cc(F)cc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.