Using COc1cc2c(Oc3cc(C)c(C)nc3-c3cccnc3)ccnc2cc1O, OCCCCBr to produce COc1cc2c(Oc3cc(C)c(C)nc3-c3cccnc3)ccnc2cc1OCCCCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.