Using O=C1Nc2cccc3c2C1(CCCCBr)CCC3, COc1ccc2[nH]c3c(c2c1)CCNC3 to produce COc1ccc2[nH]c3c(c2c1)CCN(CCCCC12CCCc4cccc(c41)NC2=O)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.