Using O=c1cc(Br)ccn1CC1CC1, COC(=O)c1ccc(C2CCNCC2)cc1 to produce O=C(O)c1ccc(C2CCN(c3ccn(CC4CC4)c(=O)c3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.