Using Cc1cc(Br)c(NC(=O)CBr)c(Br)n1, OCCN1CCNCC1 to produce Cc1cc(Br)c(NC(=O)CN2CCN(CCO)CC2)c(Br)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.