Using COc1cc2nc(C=Cc3ccccc3)c(NCCCC3CCN(C(=O)OC(C)(C)C)CC3)nc2cc1OC to produce COc1cc2nc(C=Cc3ccccc3)c(NCCCC3CCNCC3)nc2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.