Using C=C(C)n1c(=O)[nH]c2ccccc21, C1CCOC1 to produce C=C(C)n1c(=O)n(CCCN2CCC(c3c[nH]c4ccccc34)CC2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.