Using O=C1OC2(CCNCC2)c2ccccc21, CN1Cc2cc(Cl)ccc2-n2c(Br)nnc2C1 to produce CN1Cc2cc(Cl)ccc2-n2c(nnc2N2CCC3(CC2)OC(=O)c2ccccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.