Using CC(C)(C)OC(=O)N1CCC[C@@H](NC(=O)NCCCl)C1 to produce CC(C)(C)OC(=O)N1CCC[C@@H](N2CCNC2=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.