Using O=C(c1ccccc1)N1CCc2[nH]c3cccc(Br)c3c2CC1, CC1(C)OBOC1(C)C to produce CC1(C)OB(c2cccc3[nH]c4c(c23)CCN(C(=O)c2ccccc2)CC4)OC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.