Using O=CCC(c1ccccc1)c1cc(Br)ccc1OCc1ccccc1, NC1CCC1 to produce Brc1ccc(OCc2ccccc2)c(C(CCNC2CCC2)c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.