Using CC(=O)NC(CCCCl)(CCCCB1OC(C)(C)C(C)(C)O1)C(=O)NC(C)(C)C, C1CCNC1 to produce CC(=O)NC(CCCCB1OC(C)(C)C(C)(C)O1)(CCCN1CCCC1)C(=O)NC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.