Using CNCCCCN1CCN(c2cc(C3CCC3)nc(C(C)(C)C)n2)CC1, O=C(O)c1ccc(F)cc1 to produce CN(CCCCN1CCN(c2cc(C3CCC3)nc(C(C)(C)C)n2)CC1)C(=O)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.