Using COC(=O)CCc1c(C)[nH]c(C(=O)O)c1C, CC(C)N1CCC(N)CC1 to produce COC(=O)CCc1c(C)[nH]c(C(=O)NC2CCN(C(C)C)CC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.