Using COC(=O)c1ccc(N2CCN(C)CC2)cc1, CNC(=O)c1cccc(CCc2cc(N)[nH]n2)c1 to produce CNC(=O)c1cccc(CCc2cc(NC(=O)c3ccc(N4CCN(C)CC4)cc3)[nH]n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.