Using Cn1cc(Br)nc(Nc2ccc3c(c2)CCNC3)c1=O, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce CN1CCc2cc(Nc3nc(Br)cn(C)c3=O)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.