Using COC(=O)c1ccc(-c2nc(C3CCC(NCc4ccccc4)CC3)cnc2N)cc1F to produce COC(=O)c1ccc(-c2nc(C3CCC(N)CC3)cnc2N)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.