Using Clc1ncc(C2CC2)cn1, CC1(C2CCNCC2)Cc2cc(Br)ccc2O1 to produce CC1(C2CCN(c3ncc(C4CC4)cn3)CC2)Cc2cc(Br)ccc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.