Using COC(=O)c1cnc(C2CCN(C)CC2)nc1, COc1cc(CCc2cc(N)[nH]n2)cc(OC)c1 to produce COc1cc(CCc2cc(NC(=O)c3cnc(C4CCN(C)CC4)nc3)[nH]n2)cc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.