Using COCn1c(=O)c2c(c3cc(OCCN(C)C)ccc31)NCCC2 to produce CN(C)CCOc1ccc2[nH]c(=O)c3c(c2c1)NCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.