Using COC(Cc1ccc(C(N)=O)cc1N)OC, COc1cc2c(cc1CCN1CCC(=O)CC1)N(C)CCC2 to produce COc1cc2c(cc1CCN1CCC(n3ccc4ccc(C(N)=O)cc43)CC1)N(C)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.