Using COC(=O)CNCc1ccnc(-c2cc(OC)c(OC)c(OC)c2)c1 to produce COc1cc(-c2cc(CNCCO)ccn2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.