Using O=C(CBr)Nc1sc2c(c1C(=O)NCCO)CCCC2, CC(C)(C)c1n[nH]cc1C=O to produce CC(C)(C)c1nn(CC(=O)Nc2sc3c(c2C(=O)NCCO)CCCC3)cc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.