Using CC(=O)OC(C)=O, NC(CCCCB(O)O)(C(=O)O)C1CCNCC1 to produce CC(=O)N1CCC(C(N)(CCCCB(O)O)C(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.