Using COc1cc(C)c2c(c1)c(C1CCN(C)CC1)cn2CCc1ccccc1 to produce Cc1cc(O)cc2c(C3CCN(C)CC3)cn(CCc3ccccc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.