Using CC(C)(C)c1nc(C=O)nc(C(C)(C)C)c1O, CN1OCCC(Br)C1=O to produce CN1OCCC(C(O)c2nc(C(C)(C)C)c(O)c(C(C)(C)C)n2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.