Using COC(=O)C1(Cc2ccc(F)cc2)CCCC(N=C(c2ccccc2)c2ccccc2)C1 to produce COC(=O)C1(Cc2ccc(F)cc2)CCCC(N)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.