Using COc1ccc(CN2C(=O)CC3CCC(=O)CC32)c(OC)c1, N to produce COc1ccc(CN2C(=O)CC3CCC(N)CC32)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.