Using CC(C)(C)OC(=O)N1CCN(c2ccc(N)cc2)CC1, COc1cccc2c(C)c(C(=O)O)[nH]c12 to produce COc1cccc2c(C)c(C(=O)Nc3ccc(N4CCN(C(=O)OC(C)(C)C)CC4)cc3)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.