Using CCOC(=O)NCCN1CCC(n2c(=O)[nH]c3cc(Cl)ccc32)CC1 to produce NCCN1CCC(n2c(=O)[nH]c3cc(Cl)ccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.