Using O=Cc1nccn1Cc1cc(Cl)cc(Cl)c1, NC(=O)CCNCc1cccc(F)c1 to produce NC(=O)CCN(Cc1cccc(F)c1)Cc1nccn1Cc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.